Hanger for supporting centers.



r v r INVENTOR:

1 ifilm By Aizomeys, m @mm PATENTED OCT. 3, 1905.

APPLIGATION FILED JUNE 20, 1904.

A G PIERCE HANGER FOR SUPPORTING CENTERS.

UNITED STATES ADIN G. PIERCE, OF NET/V YORK, N. Y..

HANGER FOR SUPPORTING CENTERS.

Specificationbf Letters Patent.

Patented 0a. 3, 1905.

Application filed June 20, 1904. Serial No. 213,427.

To (ti/Z whom it may concern.-

Be it known that I, ADIN GARDNER PIERCE, a citizen of the United States, residing in the borough of Manhattan, city, county, and State of New York, have invented a new and useful Hanger for Supporting Centers, of which the following is a specification.

My invention relates to improvements in hangers for supporting centers to beams and the like in constructing buildings or for use in other concrete construction for the purpose of holding the centers or other temporary scaffolding in place to receive the concrete or other like substance and to hold the same in place while the said concrete or other like substance is hardening and setting. I attain these objects by means of appliances illustrated in the accompanying drawings, in which-- Figure 1 is a side view of a clip arranged on the top of an I-beam. Fig. 2 represents a wire for use in connection with said clip. Fig. 3 is a perspective view of a complete hanger supporting a joist which may carry the centering-boards.

The hanger is, generally speaking, of the type shown in Patent No. 736,040, of G. B. \Vaite, and comprising a clip or other support adapted for attachment to the I-beams or other floor-supports and a loop or other member engaging and supporting a joist for the centering and supported in turn upon said clip. In the use of such hangers the workman below arranges the loop around the joist and passes it (with the joist) to the man overhead, who attaches it to the clip. If the joist hangs too low, the loop must be made shorter by twisting its ends; but if the loop is too short a new one must be substituted, and for this purpose it is necessary to lower the joist, (especially where,as is often the case, an intermediate portion of a joist spanning two or more bays comes under the beam.)

The present invention aims to avoid these disadvantages, first, by providing the clip with a depending portion of alength varying with the size of the I-beam, so that the loops may be of uniform size, and, second, by making the loop in the form of a wire With a separate loop or other fastening device at each end, so that the workman overhead may pass it under the bight of a joist and hang the ends upon the preferably hooked end of the depending portion of the clip. These two improvements, though preferably used in the same hanger, may either of them be utilized to advantage without the other.

Referring to the particular hanger illustrated, the flexible member is a wire A, having at each end a loop B, formed by twisting the end of the wire around an intermediate point, as shown. The clip is a band, channel, round, half-round, or similar iron bent to form a hook C, a horizontal portion D extending over the top flange of the beam E, a portion F depending below the top of the beam, and a hook G at the-end of the depending portion to permit the easy attachment of the looped ends B of the wire A.

For any proposed form of construction the distance from the bottom of the joists H to the top of the flooring-boards of the center will be known, and the member A (allowing for loops to fit handily over hooks G and for twisted ends) will be made of proportionate and preferably uniform length. The clips will then be made of any desired number of standard sizes, varying the lengths of the portions D and F in accordance with the widths and depths of the beams to make a substantially close fit across the top and to extend downward sufficiently to receive the loops B and to hold the joists H at the desired level.

The specific style of centering used is not material to the invention, and in place of the joist H any other portion of a centering by means of which it may be supported by the hanger may be substituted.

Though I have described with great particularity of detail a hanger embodying the invention, yet it is not to be understood that the invention is limited to the specific embodiment disclosed.

Various modifications in the separate parts and in the details, arrangement, and combination of the parts may be made by those skilled in the art without departure from the invention.

Therefore what I claim is 1. The combination with a clip adapted for attachment to the top of a beam and having'a portion depending below the top of said beam, of a flexible member adapted to be looped under a joist below said beam, and having its ends adapted to separately engage said depending portion to suspend said joist.

2. The combination with a clip adapted for attachment to the top of a beam and havinga portion depending below the top of said beam, 1

ends adapted to separately engage said hook of a flexible Wire A adapted to be looped un- Gr to suspend said joist.

in testimony whereof I have signed my name to this specification in presence oi two sul scribing witnesses.

ADIN G. PIERCE.

Vitnesses:

J. FRANKLIN TAUsoH, STANLEY HoLooMB lVIOLLESON. 

